1.   Its fumes are known to cause skin and respiratory irritation and may cause lung cancer.

2.   Known health hazards are skin, eye, nose and respiratory irritation.

3.   Known health hazards are dermatitis, a sometimes-debilitating skin condition, and respiratory irritation.

4.   The chemical leak from the cooling system caused significant sinus and respiratory irritation for Mir crew members.

5.   They have complained of headaches, nausea and respiratory irritation.

6.   Three people were treated at a hospital for respiratory irritation and released.

7.   Three people aboard the bus were treated at a hospital for respiratory irritation and released.

8.   Three people who were aboard the bus were treated at a hospital for respiratory irritation and released.

9.   Volcanic ash can cause eye and respiratory irritations.